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50 Cards in this Set
- Front
- Back
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Technological Changes |
Format wars |
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Ben Hecht |
Filmmaking is manufacturing Ben wrote scrips, which were filmed, put into cans and sent to theatres Programs are products TV broadcasting is a way to distribute |
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Changes in TV Technology is about |
1. Quality of the reception 2. Cost (for consumer, for manufacturer/distributor) 3. Convenience of viewing |
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TV sometimes effects |
How shows are produced but rarely the show itself |
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What drives technological chnages |
Commerce Military/government needs Personal aspirations (greed) |
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Who Invented TV? |
Complicated technology- not one inventor Ideas in the air |
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Samuel Morse |
invented the telegraph Sent dots and dashes Info sentover wired |
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The Fax Machine |
Bakewell Sequential scanning AND sycronization |
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Sequential scanning |
breakdown transmission into smaller parts |
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synchronization |
ensuring sending and receiving stations are in step with each other |
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The Nipkow Disc 1884 |
Paul Nipkow patents mechanical system Synchronized revolving discs with holes at both sending and receiving ends But he can't build it bc not enough power |
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Cathode Ray Tubes
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Eugene Goldstein Karl Braun |
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Mechnical TV |
Like sound it happens mechanically at first |
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Fournier and Rignoux |
The first TV is build Crude moving images transmitted over a wired using rotating mirrors |
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Charles F Jenkins |
system that uses radio waves to send images First wireless system |
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Commerical motivation (Mechanical/Electronic) |
Electrical: no moving parts Mechanical: builds on existing technology |
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John Logie Baird |
Scottis Engineer Televisor First transmission simple face shapes Mechanical scanning system for broadcasting televisual images |
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Baird TV |
30 line low def No commercial TV |
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EMI |
Baird loses 240/405 lines |
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Vladimir Zworykin |
Early cathode ray tube inventor Crude and unreliable system Aplies for a patent in 1923 |
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Philo Farnsworth |
TV as a science project at the age of 16 Real TV at 21 Inventor who forgets to eat |
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Potato field |
Rows=lines Brother blows the glass for tubes AC repairman |
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RCA and Zworkin |
Interfere with Farnsworth and make his inveton better But Patent law says: first to invent not first to file |
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Colour TV FCC wars |
Field sequential CBS Dot Sequential RCA Line Sequential Color TV Inc |
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RCA stalls |
Not backwards compatible to force people to buy new TV sets |
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RCA and NTSC colour |
RCA develops NTSC standard FCC reverses itself and approves RCA colour system |
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Sarnoff |
RCA dude |
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First colour broadcast |
NBC Dragnet |
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Adoption of colour is slow because |
B & W works fine Costs more to film i colour |
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Other networks in colour |
ABC makes their rime time cartoons |
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Big TV Events |
Expo 67 |
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Cable TV |
Quality Cost |
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CATV |
Community Antenna TV System in London Ontario |
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Ed Jarmaine |
Puts antenna on a hill nd runs cable to his neighbours First in the world Watch detroit with less snow |
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Colour and Cable TV |
Demand for clear colour isgnals Pick up and feed clean signals back |
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Cable leads to Broadcaster Growth |
Canada's tech leaders and early adopters |
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Simultaneous Substitution |
Cable companies must replace US signal with Canadian sources To protect Canadian Broadcatsing rights and make $$ for canadian broadcasters |
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Sony 3/4 inch U Matic |
One Hour tape Sony allows other manufacturers to sell machine that play SONY cassette |
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Home VCR revolution |
Betamax is higher revolution But VHS cheaper and easier to record |
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1970 Japanese Dominance |
Japan takes tech lead Similar in consumer electronics Lower labour costs Aggressive research |
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Satellites |
Sputnik First communications satellite Geostationary orbits |
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Satellite for distribution |
Networks move their programming nationwide HBO 1975- new network |
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Satellite Television |
Direct to Home satellite receivers Big Dish C Band Rurual areas Unpaid |
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DTH Growth |
USA (Primestar, Direct TV, EchoStar) Canada (Grey market, Bell/Shaw |
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Digital Revolution |
Telephone, Audio, CD< Video, DVD, OTT |
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HD |
Won't change the content No more cathode ray tubes |
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HD Consumer Convenience |
Cable Clickers VHS Flat Screen |
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Interactive TV |
Lots of promise, little uptake |
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Convergence |
TV on compuer TV Everywhere CONTENT IS KING |
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Nonlinear TV |
Vs LInear Theatre, VHS, PPV, Premium, Network, Syndication |
